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Class XI Physics Oscillations 2

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Question 1

A hollow metal sphere is filled with water and hung by a long thread. A small hole is drilled at the bottom through which water slowly flows out. Now the sphere is made to oscillate, the period of oscillation of the pendulum -

Question 2

A simple pendulum whose length is slightly less than that of a seconds pendulum start vibrating with another seconds pendulum in the same phase. After 18 seconds, they again vibrate in the same phase. The periodic time of simple pendulum is-

Question 3

A person normally weighing 60kg stands on a platform which oscillates up and down vertically at a frequency 2.0sec^–1 and an amplitude 5.0cm. If a machine on the platform gives the person's weight then the maximum reading will be(take g = 10 m/sec²)

Question 4

For a simple pendulum, a graph is plotted between its kinetic energy (KE) and potential energy (PE) against its displacement d. Which one of the following represents these correctly?
(graph are schematic and not drawn to scale)

Question 5

Two identical springs are fixed at one end and masses M and 4M are suspended at their other ends as shown in figure. They are both stretched down from their mean position and let go simultaneously. If they are in the same phase every 4 seconds, the spring constant k is-

Question 6

A particle executes simple harmonic motion with amplitude

and time period

. The average speed of the particle over

complete oscillations is

Question 7

A uniform rod of length $Description: D:\GradeStack Courses\JEE Mains (Sent by Ravi)\JEE Mains Full Test\AIEEE-Full-Test-2-New_files\image151.png$ is suspended about one of its ends. The time period of oscillation for small angular displacements is

Question 8

A clock is based on oscillations of a spring and a clock P is based on pendulum motion. Both clocks run at the same rate on earth. On a planet having the same density as earth, but twice the radius-

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